260630017 has 2 divisors, whose sum is σ = 260630018. Its totient is φ = 260630016.

The previous prime is 260629981. The next prime is 260630039. The reversal of 260630017 is 710036062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239754256 + 20875761 = 15484^2 + 4569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260630017 is a prime.

It is a super-2 number, since 2×260630017² = 135856011522840578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260629973 and 260630000.

It is not a weakly prime, because it can be changed into another prime (260630057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130315008 + 130315009.

It is an arithmetic number, because the mean of its divisors is an integer number (130315009).

Almost surely, 2^260630017 is an apocalyptic number.

It is an amenable number.

260630017 is a deficient number, since it is larger than the sum of its proper divisors (1).

260630017 is an equidigital number, since it uses as much as digits as its factorization.

260630017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 260630017 is about 16144.0396741336. The cubic root of 260630017 is about 638.7655379229.

Adding to 260630017 its reverse (710036062), we get a palindrome (970666079).

It can be divided in two parts, 2606 and 30017, that added together give a palindrome (32623).

The spelling of 260630017 in words is "two hundred sixty million, six hundred thirty thousand, seventeen".